ISL6421AER Intersil, ISL6421AER Datasheet - Page 10

• Manufacturer Part Number: ISL6421AER
• Description: IC REG SGL LNB CONTROL 32-QFN
• Manufacturer: Intersil

Specifications of ISL6421AER

• Applications: Converter, Satellite Set-Top Box Designs
• Voltage - Input: 8 ~ 14 V
• Number Of Outputs: 1
• Voltage - Output: 13 ~ 18 V
• Operating Temperature: -20°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Typical Performance Curves
(20mV/DIV)
(20mV/DIV)
22kHz TONE
(0.1V/DIV)
89
88
87
86
85
84
83
82
81
VPWM
VOUT
50.0
18.0V
FIGURE 4. EFFICIENCY vs LOAD CURRENT
14.0V
FIGURE 8. RIPPLE VOUT = 14.0V
150.0
FIGURE 6. 22kHz TONE
250.0
I
OUT
10
10µs/DIV
(mA)
2µs/DIV
350.0
450.0
550.0
ISL6421A
VOUT (1V/DIV)
(20mV/DIV)
(20mV/DIV)
VPWM
89
88
87
86
85
84
83
VOUT
(1V/DIV)
TONE &
8.0
FIGURE 7. 22kHz TONE MODULATED BY DSQIN
DSQIN
450mA
200mA
FIGURE 9. RIPPLE VOUT = 18.0V
FIGURE 5. EFFICIENCY vs VIN
10.0
V
IN
2µs/DIV
(V)
12.0
0.2ms/DIV
14.0
March 9, 2006
FN9167.3